Description: Material: Made of premium metal material, this Chain Tensioner Adjuster Screw is sturdy and designed to withstand regular use Effective Protection: This Chain Tensioner screw kit is used to apply adjustable tension to the chain. If the bar doesnt adjust when you turn the tension,screw usually the tension gear/pin or the adjustment bolt is worn or damaged Easy Installation: Each component in this set is designed for easy installation without the need for professional help Easy to Replace: The 501537101 Chain Adjuster Tensioner Screw replacement work of parts will be quick and easy, fit for 61 162 181 266 268 272XP 281 288 Chainsaw Wide Application: Chain Adjuster Tensioner Screw can be used in various applications such as machinery maintenance and repair tasks. They are essential tools for any handyman or professional Size Chart: 5.5x1cm/2.17x0.39inch Package Includes: 1set Chain Adjuster Tensioner Screw Note: Please allow slightly errors due to manual measurement and different monitors.